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http://wiki.borovicka.name/programming/csharp/linq/aggregatestringarray?rev=1529603281&do=diff
Aggregate string array
var letters = new string[] {"a", "b", "c", "d", "e", "f"};
var alphabet = letters.Aggregate((abc, letter) => abc + "," + letter);
output: a,b,c,d,e,ftext/html2018-06-21T19:48:01+02:00programming:csharp:linq:datatabletoiqueryable
http://wiki.borovicka.name/programming/csharp/linq/datatabletoiqueryable?rev=1529603281&do=diff
DataTable to IQueryable<T>
* When we need store data which are in DataTable rather as objects in IQuerable<T>, we can use code as below.
DataTable dataTable = GetDataTable();
var importdata = from row in dataTable.AsEnumerable()
select new ImportRow()
{
GroupExtID = row.Field<int>(SubjectsImportStructure.PID),
ExtID = row.Field<int>(SubjectsIm…text/html2018-06-21T19:48:02+02:00programming:csharp:linq:querymultidimensionalarray
http://wiki.borovicka.name/programming/csharp/linq/querymultidimensionalarray?rev=1529603282&do=diff
Query multidimensional array
* Selects from multidimensional array and throw result as 1D array.
var array2D = new int[,]
{
{1, 2, 3},
{4, 5, 6},
{7, 8, 9}
};
var array1D =
from int val in array2D
select val.ToArray();